Fool
Fool adjective - Showing or marked by a lack of good sense or judgment.
Usage example: he's always got some fool plan or other
Harebrained and fool are semantically related. In some cases you can use "Harebrained" instead an adjective "Fool".
Harebrained
Harebrained adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a harebrained idea to go for a hike in an area where grizzly bear attacks had recently been reported
Fool and harebrained are semantically related. Sometimes you can use "Fool" instead an adjective "Harebrained".
Cite this Source
Harebrained and Fool. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fool/harebrained
Fool & Harebrained. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fool/harebrained>.
Harebrained or Fool. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fool/harebrained.
Google Ngram Viewer shows how "fool" and "harebrained" have occurred on timeline